Home / 70,918.60-97,836.90-42,222.20

Finding the Fourth Proportional to 70,918.60, 97,836.90 and 42,222.20

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Solution

The fourth proportional to 70,918.60, 97,836.90 and 42,222.20 is: 58,248.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,918.60 : 97,836.90 = 42,222.20 : x
  2. Step 2: Convert to fraction form
    70,918.60/97,836.90 = 42,222.20/x
  3. Step 3: Cross multiply
    70,918.60x = 97,836.90 × 42,222.20
  4. Step 4: Simplify right side
    70,918.60x = 4,130,889,159.18
  5. Step 5: Solve for x
    x = 4,130,889,159.18/70,918.60
  6. Step 6: Final answer
    x = 58,248.32

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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.