Home / 90,607.10-125,038.65-52,874.06

Finding the Fourth Proportional to 90,607.10, 125,038.65 and 52,874.06

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Solution

The fourth proportional to 90,607.10, 125,038.65 and 52,874.06 is: 72,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,607.10 : 125,038.65 = 52,874.06 : x
  2. Step 2: Convert to fraction form
    90,607.10/125,038.65 = 52,874.06/x
  3. Step 3: Cross multiply
    90,607.10x = 125,038.65 × 52,874.06
  4. Step 4: Simplify right side
    90,607.10x = 6,611,301,082.42
  5. Step 5: Solve for x
    x = 6,611,301,082.42/90,607.10
  6. Step 6: Final answer
    x = 72,966.70

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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.