Home / 124,557.93-171,837.59-86,854.05

Finding the Fourth Proportional to 124,557.93, 171,837.59 and 86,854.05

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Solution

The fourth proportional to 124,557.93, 171,837.59 and 86,854.05 is: 119,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,557.93 : 171,837.59 = 86,854.05 : x
  2. Step 2: Convert to fraction form
    124,557.93/171,837.59 = 86,854.05/x
  3. Step 3: Cross multiply
    124,557.93x = 171,837.59 × 86,854.05
  4. Step 4: Simplify right side
    124,557.93x = 14,924,790,199.47
  5. Step 5: Solve for x
    x = 14,924,790,199.47/124,557.93
  6. Step 6: Final answer
    x = 119,822.08

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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.