Home / 102,430.72-153,646.08-32,317.12

Finding the Fourth Proportional to 102,430.72, 153,646.08 and 32,317.12

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Solution

The fourth proportional to 102,430.72, 153,646.08 and 32,317.12 is: 48,475.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,430.72 : 153,646.08 = 32,317.12 : x
  2. Step 2: Convert to fraction form
    102,430.72/153,646.08 = 32,317.12/x
  3. Step 3: Cross multiply
    102,430.72x = 153,646.08 × 32,317.12
  4. Step 4: Simplify right side
    102,430.72x = 4,965,398,804.89
  5. Step 5: Solve for x
    x = 4,965,398,804.89/102,430.72
  6. Step 6: Final answer
    x = 48,475.68

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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.