Home / 77,029.60-115,544.40-63,032.80

Finding the Fourth Proportional to 77,029.60, 115,544.40 and 63,032.80

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Solution

The fourth proportional to 77,029.60, 115,544.40 and 63,032.80 is: 94,549.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,029.60 : 115,544.40 = 63,032.80 : x
  2. Step 2: Convert to fraction form
    77,029.60/115,544.40 = 63,032.80/x
  3. Step 3: Cross multiply
    77,029.60x = 115,544.40 × 63,032.80
  4. Step 4: Simplify right side
    77,029.60x = 7,283,087,056.32
  5. Step 5: Solve for x
    x = 7,283,087,056.32/77,029.60
  6. Step 6: Final answer
    x = 94,549.20

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1.5x scale

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.