Home / 67,888.32-93,688.86-45,190.80

Finding the Fourth Proportional to 67,888.32, 93,688.86 and 45,190.80

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Solution

The fourth proportional to 67,888.32, 93,688.86 and 45,190.80 is: 62,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,888.32 : 93,688.86 = 45,190.80 : x
  2. Step 2: Convert to fraction form
    67,888.32/93,688.86 = 45,190.80/x
  3. Step 3: Cross multiply
    67,888.32x = 93,688.86 × 45,190.80
  4. Step 4: Simplify right side
    67,888.32x = 4,233,874,534.49
  5. Step 5: Solve for x
    x = 4,233,874,534.49/67,888.32
  6. Step 6: Final answer
    x = 62,365.29

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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.