Home / 70,946.28-97,922.93-42,646.50

Finding the Fourth Proportional to 70,946.28, 97,922.93 and 42,646.50

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Solution

The fourth proportional to 70,946.28, 97,922.93 and 42,646.50 is: 58,862.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,946.28 : 97,922.93 = 42,646.50 : x
  2. Step 2: Convert to fraction form
    70,946.28/97,922.93 = 42,646.50/x
  3. Step 3: Cross multiply
    70,946.28x = 97,922.93 × 42,646.50
  4. Step 4: Simplify right side
    70,946.28x = 4,176,070,021.01
  5. Step 5: Solve for x
    x = 4,176,070,021.01/70,946.28
  6. Step 6: Final answer
    x = 58,862.42

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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.