Home / 125,795.04-173,621.92-72,116.16

Finding the Fourth Proportional to 125,795.04, 173,621.92 and 72,116.16

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Solution

The fourth proportional to 125,795.04, 173,621.92 and 72,116.16 is: 99,534.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,795.04 : 173,621.92 = 72,116.16 : x
  2. Step 2: Convert to fraction form
    125,795.04/173,621.92 = 72,116.16/x
  3. Step 3: Cross multiply
    125,795.04x = 173,621.92 × 72,116.16
  4. Step 4: Simplify right side
    125,795.04x = 12,520,946,162.23
  5. Step 5: Solve for x
    x = 12,520,946,162.23/125,795.04
  6. Step 6: Final answer
    x = 99,534.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.