Home / 105,045.86-157,494.96-38,477.34

Finding the Fourth Proportional to 105,045.86, 157,494.96 and 38,477.34

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Solution

The fourth proportional to 105,045.86, 157,494.96 and 38,477.34 is: 57,688.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,045.86 : 157,494.96 = 38,477.34 : x
  2. Step 2: Convert to fraction form
    105,045.86/157,494.96 = 38,477.34/x
  3. Step 3: Cross multiply
    105,045.86x = 157,494.96 × 38,477.34
  4. Step 4: Simplify right side
    105,045.86x = 6,059,987,124.21
  5. Step 5: Solve for x
    x = 6,059,987,124.21/105,045.86
  6. Step 6: Final answer
    x = 57,688.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.