Home / 76,035.72-104,927.66-42,045.64

Finding the Fourth Proportional to 76,035.72, 104,927.66 and 42,045.64

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Solution

The fourth proportional to 76,035.72, 104,927.66 and 42,045.64 is: 58,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,035.72 : 104,927.66 = 42,045.64 : x
  2. Step 2: Convert to fraction form
    76,035.72/104,927.66 = 42,045.64/x
  3. Step 3: Cross multiply
    76,035.72x = 104,927.66 × 42,045.64
  4. Step 4: Simplify right side
    76,035.72x = 4,411,750,618.40
  5. Step 5: Solve for x
    x = 4,411,750,618.40/76,035.72
  6. Step 6: Final answer
    x = 58,022.08

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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.