Home / 70,487.41-97,280.27-45,017.17

Finding the Fourth Proportional to 70,487.41, 97,280.27 and 45,017.17

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Solution

The fourth proportional to 70,487.41, 97,280.27 and 45,017.17 is: 62,128.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,487.41 : 97,280.27 = 45,017.17 : x
  2. Step 2: Convert to fraction form
    70,487.41/97,280.27 = 45,017.17/x
  3. Step 3: Cross multiply
    70,487.41x = 97,280.27 × 45,017.17
  4. Step 4: Simplify right side
    70,487.41x = 4,379,282,227.15
  5. Step 5: Solve for x
    x = 4,379,282,227.15/70,487.41
  6. Step 6: Final answer
    x = 62,128.57

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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.