Home / 90,567.63-124,957.76-56,610.54

Finding the Fourth Proportional to 90,567.63, 124,957.76 and 56,610.54

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Solution

The fourth proportional to 90,567.63, 124,957.76 and 56,610.54 is: 78,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,567.63 : 124,957.76 = 56,610.54 : x
  2. Step 2: Convert to fraction form
    90,567.63/124,957.76 = 56,610.54/x
  3. Step 3: Cross multiply
    90,567.63x = 124,957.76 × 56,610.54
  4. Step 4: Simplify right side
    90,567.63x = 7,073,925,987.74
  5. Step 5: Solve for x
    x = 7,073,925,987.74/90,567.63
  6. Step 6: Final answer
    x = 78,106.56

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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.