Home / 70,543.23-97,350.84-38,715.09

Finding the Fourth Proportional to 70,543.23, 97,350.84 and 38,715.09

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Solution

The fourth proportional to 70,543.23, 97,350.84 and 38,715.09 is: 53,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,543.23 : 97,350.84 = 38,715.09 : x
  2. Step 2: Convert to fraction form
    70,543.23/97,350.84 = 38,715.09/x
  3. Step 3: Cross multiply
    70,543.23x = 97,350.84 × 38,715.09
  4. Step 4: Simplify right side
    70,543.23x = 3,768,946,532.18
  5. Step 5: Solve for x
    x = 3,768,946,532.18/70,543.23
  6. Step 6: Final answer
    x = 53,427.47

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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.