Home / 70,938.55-97,895.88-39,108.59

Finding the Fourth Proportional to 70,938.55, 97,895.88 and 39,108.59

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Solution

The fourth proportional to 70,938.55, 97,895.88 and 39,108.59 is: 53,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,938.55 : 97,895.88 = 39,108.59 : x
  2. Step 2: Convert to fraction form
    70,938.55/97,895.88 = 39,108.59/x
  3. Step 3: Cross multiply
    70,938.55x = 97,895.88 × 39,108.59
  4. Step 4: Simplify right side
    70,938.55x = 3,828,569,711.24
  5. Step 5: Solve for x
    x = 3,828,569,711.24/70,938.55
  6. Step 6: Final answer
    x = 53,970.23

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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.