Home / 84,740.10-127,110.15-51,525.24

Finding the Fourth Proportional to 84,740.10, 127,110.15 and 51,525.24

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Solution

The fourth proportional to 84,740.10, 127,110.15 and 51,525.24 is: 77,287.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,740.10 : 127,110.15 = 51,525.24 : x
  2. Step 2: Convert to fraction form
    84,740.10/127,110.15 = 51,525.24/x
  3. Step 3: Cross multiply
    84,740.10x = 127,110.15 × 51,525.24
  4. Step 4: Simplify right side
    84,740.10x = 6,549,380,985.19
  5. Step 5: Solve for x
    x = 6,549,380,985.19/84,740.10
  6. Step 6: Final answer
    x = 77,287.86

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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.