Home / 94,386.53-130,279-55,658.18

Finding the Fourth Proportional to 94,386.53, 130,279 and 55,658.18

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Solution

The fourth proportional to 94,386.53, 130,279 and 55,658.18 is: 76,823.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,386.53 : 130,279 = 55,658.18 : x
  2. Step 2: Convert to fraction form
    94,386.53/130,279 = 55,658.18/x
  3. Step 3: Cross multiply
    94,386.53x = 130,279 × 55,658.18
  4. Step 4: Simplify right side
    94,386.53x = 7,251,092,032.22
  5. Step 5: Solve for x
    x = 7,251,092,032.22/94,386.53
  6. Step 6: Final answer
    x = 76,823.38

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1.5x scale

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.