Home / 73,509.36-101,452.60-71,507.85

Finding the Fourth Proportional to 73,509.36, 101,452.60 and 71,507.85

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Solution

The fourth proportional to 73,509.36, 101,452.60 and 71,507.85 is: 98,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,509.36 : 101,452.60 = 71,507.85 : x
  2. Step 2: Convert to fraction form
    73,509.36/101,452.60 = 71,507.85/x
  3. Step 3: Cross multiply
    73,509.36x = 101,452.60 × 71,507.85
  4. Step 4: Simplify right side
    73,509.36x = 7,254,657,302.91
  5. Step 5: Solve for x
    x = 7,254,657,302.91/73,509.36
  6. Step 6: Final answer
    x = 98,690.25

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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.