Home / 67,420.28-101,130.40-63,264.98

Finding the Fourth Proportional to 67,420.28, 101,130.40 and 63,264.98

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Solution

The fourth proportional to 67,420.28, 101,130.40 and 63,264.98 is: 94,897.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,420.28 : 101,130.40 = 63,264.98 : x
  2. Step 2: Convert to fraction form
    67,420.28/101,130.40 = 63,264.98/x
  3. Step 3: Cross multiply
    67,420.28x = 101,130.40 × 63,264.98
  4. Step 4: Simplify right side
    67,420.28x = 6,398,012,733.39
  5. Step 5: Solve for x
    x = 6,398,012,733.39/67,420.28
  6. Step 6: Final answer
    x = 94,897.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.