Home / 107,030.65-160,547.78-40,502.11

Finding the Fourth Proportional to 107,030.65, 160,547.78 and 40,502.11

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Solution

The fourth proportional to 107,030.65, 160,547.78 and 40,502.11 is: 60,753.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,030.65 : 160,547.78 = 40,502.11 : x
  2. Step 2: Convert to fraction form
    107,030.65/160,547.78 = 40,502.11/x
  3. Step 3: Cross multiply
    107,030.65x = 160,547.78 × 40,502.11
  4. Step 4: Simplify right side
    107,030.65x = 6,502,523,845.82
  5. Step 5: Solve for x
    x = 6,502,523,845.82/107,030.65
  6. Step 6: Final answer
    x = 60,753.85

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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.