Home / 90,281.89-124,547.68-58,461.04

Finding the Fourth Proportional to 90,281.89, 124,547.68 and 58,461.04

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Solution

The fourth proportional to 90,281.89, 124,547.68 and 58,461.04 is: 80,649.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,281.89 : 124,547.68 = 58,461.04 : x
  2. Step 2: Convert to fraction form
    90,281.89/124,547.68 = 58,461.04/x
  3. Step 3: Cross multiply
    90,281.89x = 124,547.68 × 58,461.04
  4. Step 4: Simplify right side
    90,281.89x = 7,281,186,802.30
  5. Step 5: Solve for x
    x = 7,281,186,802.30/90,281.89
  6. Step 6: Final answer
    x = 80,649.47

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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.