Home / 70,528.60-97,323.18-40,307.92

Finding the Fourth Proportional to 70,528.60, 97,323.18 and 40,307.92

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Solution

The fourth proportional to 70,528.60, 97,323.18 and 40,307.92 is: 55,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,528.60 : 97,323.18 = 40,307.92 : x
  2. Step 2: Convert to fraction form
    70,528.60/97,323.18 = 40,307.92/x
  3. Step 3: Cross multiply
    70,528.60x = 97,323.18 × 40,307.92
  4. Step 4: Simplify right side
    70,528.60x = 3,922,894,953.59
  5. Step 5: Solve for x
    x = 3,922,894,953.59/70,528.60
  6. Step 6: Final answer
    x = 55,621.34

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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.