Home / 70,533.60-97,330.08-40,312.92

Finding the Fourth Proportional to 70,533.60, 97,330.08 and 40,312.92

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Solution

The fourth proportional to 70,533.60, 97,330.08 and 40,312.92 is: 55,628.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,533.60 : 97,330.08 = 40,312.92 : x
  2. Step 2: Convert to fraction form
    70,533.60/97,330.08 = 40,312.92/x
  3. Step 3: Cross multiply
    70,533.60x = 97,330.08 × 40,312.92
  4. Step 4: Simplify right side
    70,533.60x = 3,923,659,728.63
  5. Step 5: Solve for x
    x = 3,923,659,728.63/70,533.60
  6. Step 6: Final answer
    x = 55,628.24

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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.