Home / 66,897.64-92,243.07-42,666.19

Finding the Fourth Proportional to 66,897.64, 92,243.07 and 42,666.19

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Solution

The fourth proportional to 66,897.64, 92,243.07 and 42,666.19 is: 58,831.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,897.64 : 92,243.07 = 42,666.19 : x
  2. Step 2: Convert to fraction form
    66,897.64/92,243.07 = 42,666.19/x
  3. Step 3: Cross multiply
    66,897.64x = 92,243.07 × 42,666.19
  4. Step 4: Simplify right side
    66,897.64x = 3,935,660,350.80
  5. Step 5: Solve for x
    x = 3,935,660,350.80/66,897.64
  6. Step 6: Final answer
    x = 58,831.08

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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.