Home / 99,011.52-136,587.60-56,558.88

Finding the Fourth Proportional to 99,011.52, 136,587.60 and 56,558.88

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Solution

The fourth proportional to 99,011.52, 136,587.60 and 56,558.88 is: 78,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,011.52 : 136,587.60 = 56,558.88 : x
  2. Step 2: Convert to fraction form
    99,011.52/136,587.60 = 56,558.88/x
  3. Step 3: Cross multiply
    99,011.52x = 136,587.60 × 56,558.88
  4. Step 4: Simplify right side
    99,011.52x = 7,725,241,677.89
  5. Step 5: Solve for x
    x = 7,725,241,677.89/99,011.52
  6. Step 6: Final answer
    x = 78,023.67

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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.