Home / 85,533.42-117,973.18-62,864.76

Finding the Fourth Proportional to 85,533.42, 117,973.18 and 62,864.76

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Solution

The fourth proportional to 85,533.42, 117,973.18 and 62,864.76 is: 86,707.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,533.42 : 117,973.18 = 62,864.76 : x
  2. Step 2: Convert to fraction form
    85,533.42/117,973.18 = 62,864.76/x
  3. Step 3: Cross multiply
    85,533.42x = 117,973.18 × 62,864.76
  4. Step 4: Simplify right side
    85,533.42x = 7,416,355,647.14
  5. Step 5: Solve for x
    x = 7,416,355,647.14/85,533.42
  6. Step 6: Final answer
    x = 86,707.11

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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.