Home / 69,897.18-96,455.12-38,066.16

Finding the Fourth Proportional to 69,897.18, 96,455.12 and 38,066.16

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Solution

The fourth proportional to 69,897.18, 96,455.12 and 38,066.16 is: 52,529.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,897.18 : 96,455.12 = 38,066.16 : x
  2. Step 2: Convert to fraction form
    69,897.18/96,455.12 = 38,066.16/x
  3. Step 3: Cross multiply
    69,897.18x = 96,455.12 × 38,066.16
  4. Step 4: Simplify right side
    69,897.18x = 3,671,676,030.74
  5. Step 5: Solve for x
    x = 3,671,676,030.74/69,897.18
  6. Step 6: Final answer
    x = 52,529.67

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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.