Home / 76,088.09-105,001.48-42,554.09

Finding the Fourth Proportional to 76,088.09, 105,001.48 and 42,554.09

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Solution

The fourth proportional to 76,088.09, 105,001.48 and 42,554.09 is: 58,724.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,088.09 : 105,001.48 = 42,554.09 : x
  2. Step 2: Convert to fraction form
    76,088.09/105,001.48 = 42,554.09/x
  3. Step 3: Cross multiply
    76,088.09x = 105,001.48 × 42,554.09
  4. Step 4: Simplify right side
    76,088.09x = 4,468,242,430.05
  5. Step 5: Solve for x
    x = 4,468,242,430.05/76,088.09
  6. Step 6: Final answer
    x = 58,724.60

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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.