Home / 97,086.12-133,909.83-64,804.46

Finding the Fourth Proportional to 97,086.12, 133,909.83 and 64,804.46

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Solution

The fourth proportional to 97,086.12, 133,909.83 and 64,804.46 is: 89,384.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,086.12 : 133,909.83 = 64,804.46 : x
  2. Step 2: Convert to fraction form
    97,086.12/133,909.83 = 64,804.46/x
  3. Step 3: Cross multiply
    97,086.12x = 133,909.83 × 64,804.46
  4. Step 4: Simplify right side
    97,086.12x = 8,677,953,897.82
  5. Step 5: Solve for x
    x = 8,677,953,897.82/97,086.12
  6. Step 6: Final answer
    x = 89,384.08

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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.