Home / 86,598.93-129,939.68-59,985.93

Finding the Fourth Proportional to 86,598.93, 129,939.68 and 59,985.93

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Solution

The fourth proportional to 86,598.93, 129,939.68 and 59,985.93 is: 90,007.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,598.93 : 129,939.68 = 59,985.93 : x
  2. Step 2: Convert to fraction form
    86,598.93/129,939.68 = 59,985.93/x
  3. Step 3: Cross multiply
    86,598.93x = 129,939.68 × 59,985.93
  4. Step 4: Simplify right side
    86,598.93x = 7,794,552,248.77
  5. Step 5: Solve for x
    x = 7,794,552,248.77/86,598.93
  6. Step 6: Final answer
    x = 90,007.49

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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.