Home / 91,130.04-136,820.97-62,980.74

Finding the Fourth Proportional to 91,130.04, 136,820.97 and 62,980.74

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Solution

The fourth proportional to 91,130.04, 136,820.97 and 62,980.74 is: 94,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,130.04 : 136,820.97 = 62,980.74 : x
  2. Step 2: Convert to fraction form
    91,130.04/136,820.97 = 62,980.74/x
  3. Step 3: Cross multiply
    91,130.04x = 136,820.97 × 62,980.74
  4. Step 4: Simplify right side
    91,130.04x = 8,617,085,938.12
  5. Step 5: Solve for x
    x = 8,617,085,938.12/91,130.04
  6. Step 6: Final answer
    x = 94,558.13

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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.