Home / 87,050.64-130,465.80-42,666.96

Finding the Fourth Proportional to 87,050.64, 130,465.80 and 42,666.96

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Solution

The fourth proportional to 87,050.64, 130,465.80 and 42,666.96 is: 63,946.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,050.64 : 130,465.80 = 42,666.96 : x
  2. Step 2: Convert to fraction form
    87,050.64/130,465.80 = 42,666.96/x
  3. Step 3: Cross multiply
    87,050.64x = 130,465.80 × 42,666.96
  4. Step 4: Simplify right side
    87,050.64x = 5,566,579,069.97
  5. Step 5: Solve for x
    x = 5,566,579,069.97/87,050.64
  6. Step 6: Final answer
    x = 63,946.45

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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.