Home / 76,184.04-105,162.19-45,970.64

Finding the Fourth Proportional to 76,184.04, 105,162.19 and 45,970.64

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Solution

The fourth proportional to 76,184.04, 105,162.19 and 45,970.64 is: 63,456.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,184.04 : 105,162.19 = 45,970.64 : x
  2. Step 2: Convert to fraction form
    76,184.04/105,162.19 = 45,970.64/x
  3. Step 3: Cross multiply
    76,184.04x = 105,162.19 × 45,970.64
  4. Step 4: Simplify right side
    76,184.04x = 4,834,372,931.72
  5. Step 5: Solve for x
    x = 4,834,372,931.72/76,184.04
  6. Step 6: Final answer
    x = 63,456.50

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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.