Home / 72,659.14-100,281.65-42,444.36

Finding the Fourth Proportional to 72,659.14, 100,281.65 and 42,444.36

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Solution

The fourth proportional to 72,659.14, 100,281.65 and 42,444.36 is: 58,580.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,659.14 : 100,281.65 = 42,444.36 : x
  2. Step 2: Convert to fraction form
    72,659.14/100,281.65 = 42,444.36/x
  3. Step 3: Cross multiply
    72,659.14x = 100,281.65 × 42,444.36
  4. Step 4: Simplify right side
    72,659.14x = 4,256,390,560.10
  5. Step 5: Solve for x
    x = 4,256,390,560.10/72,659.14
  6. Step 6: Final answer
    x = 58,580.25

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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.