Home / 64,880.30-97,320.45-57,622.70

Finding the Fourth Proportional to 64,880.30, 97,320.45 and 57,622.70

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Solution

The fourth proportional to 64,880.30, 97,320.45 and 57,622.70 is: 86,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,880.30 : 97,320.45 = 57,622.70 : x
  2. Step 2: Convert to fraction form
    64,880.30/97,320.45 = 57,622.70/x
  3. Step 3: Cross multiply
    64,880.30x = 97,320.45 × 57,622.70
  4. Step 4: Simplify right side
    64,880.30x = 5,607,867,094.22
  5. Step 5: Solve for x
    x = 5,607,867,094.22/64,880.30
  6. Step 6: Final answer
    x = 86,434.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.