Home / 112,402.01-168,609.47-42,281.93

Finding the Fourth Proportional to 112,402.01, 168,609.47 and 42,281.93

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Solution

The fourth proportional to 112,402.01, 168,609.47 and 42,281.93 is: 63,425.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,402.01 : 168,609.47 = 42,281.93 : x
  2. Step 2: Convert to fraction form
    112,402.01/168,609.47 = 42,281.93/x
  3. Step 3: Cross multiply
    112,402.01x = 168,609.47 × 42,281.93
  4. Step 4: Simplify right side
    112,402.01x = 7,129,134,017.99
  5. Step 5: Solve for x
    x = 7,129,134,017.99/112,402.01
  6. Step 6: Final answer
    x = 63,425.32

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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.