Home / 76,862.39-106,070.23-42,873.08

Finding the Fourth Proportional to 76,862.39, 106,070.23 and 42,873.08

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Solution

The fourth proportional to 76,862.39, 106,070.23 and 42,873.08 is: 59,164.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,862.39 : 106,070.23 = 42,873.08 : x
  2. Step 2: Convert to fraction form
    76,862.39/106,070.23 = 42,873.08/x
  3. Step 3: Cross multiply
    76,862.39x = 106,070.23 × 42,873.08
  4. Step 4: Simplify right side
    76,862.39x = 4,547,556,979.65
  5. Step 5: Solve for x
    x = 4,547,556,979.65/76,862.39
  6. Step 6: Final answer
    x = 59,164.92

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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.