Home / 87,038.60-130,468.53-49,518.77

Finding the Fourth Proportional to 87,038.60, 130,468.53 and 49,518.77

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Solution

The fourth proportional to 87,038.60, 130,468.53 and 49,518.77 is: 74,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,038.60 : 130,468.53 = 49,518.77 : x
  2. Step 2: Convert to fraction form
    87,038.60/130,468.53 = 49,518.77/x
  3. Step 3: Cross multiply
    87,038.60x = 130,468.53 × 49,518.77
  4. Step 4: Simplify right side
    87,038.60x = 6,460,641,129.31
  5. Step 5: Solve for x
    x = 6,460,641,129.31/87,038.60
  6. Step 6: Final answer
    x = 74,227.31

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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.