Home / 91,681.65-126,547.56-59,855.31

Finding the Fourth Proportional to 91,681.65, 126,547.56 and 59,855.31

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Solution

The fourth proportional to 91,681.65, 126,547.56 and 59,855.31 is: 82,617.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,681.65 : 126,547.56 = 59,855.31 : x
  2. Step 2: Convert to fraction form
    91,681.65/126,547.56 = 59,855.31/x
  3. Step 3: Cross multiply
    91,681.65x = 126,547.56 × 59,855.31
  4. Step 4: Simplify right side
    91,681.65x = 7,574,543,433.54
  5. Step 5: Solve for x
    x = 7,574,543,433.54/91,681.65
  6. Step 6: Final answer
    x = 82,617.88

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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.