Home / 66,501.40-99,665.70-48,011.80

Finding the Fourth Proportional to 66,501.40, 99,665.70 and 48,011.80

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Solution

The fourth proportional to 66,501.40, 99,665.70 and 48,011.80 is: 71,955.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,501.40 : 99,665.70 = 48,011.80 : x
  2. Step 2: Convert to fraction form
    66,501.40/99,665.70 = 48,011.80/x
  3. Step 3: Cross multiply
    66,501.40x = 99,665.70 × 48,011.80
  4. Step 4: Simplify right side
    66,501.40x = 4,785,129,655.26
  5. Step 5: Solve for x
    x = 4,785,129,655.26/66,501.40
  6. Step 6: Final answer
    x = 71,955.32

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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.