Home / 110,814.84-152,828-72,036.26

Finding the Fourth Proportional to 110,814.84, 152,828 and 72,036.26

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Solution

The fourth proportional to 110,814.84, 152,828 and 72,036.26 is: 99,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,814.84 : 152,828 = 72,036.26 : x
  2. Step 2: Convert to fraction form
    110,814.84/152,828 = 72,036.26/x
  3. Step 3: Cross multiply
    110,814.84x = 152,828 × 72,036.26
  4. Step 4: Simplify right side
    110,814.84x = 11,009,157,543.28
  5. Step 5: Solve for x
    x = 11,009,157,543.28/110,814.84
  6. Step 6: Final answer
    x = 99,347.32

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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.