Home / 105,109.08-157,569.84-38,533.66

Finding the Fourth Proportional to 105,109.08, 157,569.84 and 38,533.66

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Solution

The fourth proportional to 105,109.08, 157,569.84 and 38,533.66 is: 57,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,109.08 : 157,569.84 = 38,533.66 : x
  2. Step 2: Convert to fraction form
    105,109.08/157,569.84 = 38,533.66/x
  3. Step 3: Cross multiply
    105,109.08x = 157,569.84 × 38,533.66
  4. Step 4: Simplify right side
    105,109.08x = 6,071,742,246.89
  5. Step 5: Solve for x
    x = 6,071,742,246.89/105,109.08
  6. Step 6: Final answer
    x = 57,766.11

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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.