Home / 91,547.86-137,210.90-38,846.63

Finding the Fourth Proportional to 91,547.86, 137,210.90 and 38,846.63

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Solution

The fourth proportional to 91,547.86, 137,210.90 and 38,846.63 is: 58,222.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,547.86 : 137,210.90 = 38,846.63 : x
  2. Step 2: Convert to fraction form
    91,547.86/137,210.90 = 38,846.63/x
  3. Step 3: Cross multiply
    91,547.86x = 137,210.90 × 38,846.63
  4. Step 4: Simplify right side
    91,547.86x = 5,330,181,064.27
  5. Step 5: Solve for x
    x = 5,330,181,064.27/91,547.86
  6. Step 6: Final answer
    x = 58,222.89

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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.