Home / 82,670.40-124,005.60-26,510.40

Finding the Fourth Proportional to 82,670.40, 124,005.60 and 26,510.40

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Solution

The fourth proportional to 82,670.40, 124,005.60 and 26,510.40 is: 39,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,670.40 : 124,005.60 = 26,510.40 : x
  2. Step 2: Convert to fraction form
    82,670.40/124,005.60 = 26,510.40/x
  3. Step 3: Cross multiply
    82,670.40x = 124,005.60 × 26,510.40
  4. Step 4: Simplify right side
    82,670.40x = 3,287,438,058.24
  5. Step 5: Solve for x
    x = 3,287,438,058.24/82,670.40
  6. Step 6: Final answer
    x = 39,765.60

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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.