Home / 105,036.81-157,554.96-45,026.38

Finding the Fourth Proportional to 105,036.81, 157,554.96 and 45,026.38

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Solution

The fourth proportional to 105,036.81, 157,554.96 and 45,026.38 is: 67,539.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,036.81 : 157,554.96 = 45,026.38 : x
  2. Step 2: Convert to fraction form
    105,036.81/157,554.96 = 45,026.38/x
  3. Step 3: Cross multiply
    105,036.81x = 157,554.96 × 45,026.38
  4. Step 4: Simplify right side
    105,036.81x = 7,094,129,499.84
  5. Step 5: Solve for x
    x = 7,094,129,499.84/105,036.81
  6. Step 6: Final answer
    x = 67,539.46

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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.