Home / 99,904.98-137,875.02-57,462.60

Finding the Fourth Proportional to 99,904.98, 137,875.02 and 57,462.60

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Solution

The fourth proportional to 99,904.98, 137,875.02 and 57,462.60 is: 79,301.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,904.98 : 137,875.02 = 57,462.60 : x
  2. Step 2: Convert to fraction form
    99,904.98/137,875.02 = 57,462.60/x
  3. Step 3: Cross multiply
    99,904.98x = 137,875.02 × 57,462.60
  4. Step 4: Simplify right side
    99,904.98x = 7,922,657,124.25
  5. Step 5: Solve for x
    x = 7,922,657,124.25/99,904.98
  6. Step 6: Final answer
    x = 79,301.92

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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.