Home / 72,693.04-100,298.88-42,461.20

Finding the Fourth Proportional to 72,693.04, 100,298.88 and 42,461.20

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Solution

The fourth proportional to 72,693.04, 100,298.88 and 42,461.20 is: 58,586.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,693.04 : 100,298.88 = 42,461.20 : x
  2. Step 2: Convert to fraction form
    72,693.04/100,298.88 = 42,461.20/x
  3. Step 3: Cross multiply
    72,693.04x = 100,298.88 × 42,461.20
  4. Step 4: Simplify right side
    72,693.04x = 4,258,810,803.46
  5. Step 5: Solve for x
    x = 4,258,810,803.46/72,693.04
  6. Step 6: Final answer
    x = 58,586.23

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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.