Home / 99,316.95-137,068.80-59,030.31

Finding the Fourth Proportional to 99,316.95, 137,068.80 and 59,030.31

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Solution

The fourth proportional to 99,316.95, 137,068.80 and 59,030.31 is: 81,468.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,316.95 : 137,068.80 = 59,030.31 : x
  2. Step 2: Convert to fraction form
    99,316.95/137,068.80 = 59,030.31/x
  3. Step 3: Cross multiply
    99,316.95x = 137,068.80 × 59,030.31
  4. Step 4: Simplify right side
    99,316.95x = 8,091,213,755.33
  5. Step 5: Solve for x
    x = 8,091,213,755.33/99,316.95
  6. Step 6: Final answer
    x = 81,468.61

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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.