Home / 64,000.15-88,319.59-35,320.08

Finding the Fourth Proportional to 64,000.15, 88,319.59 and 35,320.08

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Solution

The fourth proportional to 64,000.15, 88,319.59 and 35,320.08 is: 48,741.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,000.15 : 88,319.59 = 35,320.08 : x
  2. Step 2: Convert to fraction form
    64,000.15/88,319.59 = 35,320.08/x
  3. Step 3: Cross multiply
    64,000.15x = 88,319.59 × 35,320.08
  4. Step 4: Simplify right side
    64,000.15x = 3,119,454,984.37
  5. Step 5: Solve for x
    x = 3,119,454,984.37/64,000.15
  6. Step 6: Final answer
    x = 48,741.37

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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.