Home / 66,829.14-92,225.72-38,148.25

Finding the Fourth Proportional to 66,829.14, 92,225.72 and 38,148.25

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Solution

The fourth proportional to 66,829.14, 92,225.72 and 38,148.25 is: 52,645.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,829.14 : 92,225.72 = 38,148.25 : x
  2. Step 2: Convert to fraction form
    66,829.14/92,225.72 = 38,148.25/x
  3. Step 3: Cross multiply
    66,829.14x = 92,225.72 × 38,148.25
  4. Step 4: Simplify right side
    66,829.14x = 3,518,249,822.99
  5. Step 5: Solve for x
    x = 3,518,249,822.99/66,829.14
  6. Step 6: Final answer
    x = 52,645.45

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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.