Home / 70,077.18-96,706.41-38,246.07

Finding the Fourth Proportional to 70,077.18, 96,706.41 and 38,246.07

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Solution

The fourth proportional to 70,077.18, 96,706.41 and 38,246.07 is: 52,779.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,077.18 : 96,706.41 = 38,246.07 : x
  2. Step 2: Convert to fraction form
    70,077.18/96,706.41 = 38,246.07/x
  3. Step 3: Cross multiply
    70,077.18x = 96,706.41 × 38,246.07
  4. Step 4: Simplify right side
    70,077.18x = 3,698,640,345.53
  5. Step 5: Solve for x
    x = 3,698,640,345.53/70,077.18
  6. Step 6: Final answer
    x = 52,779.53

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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.