Home / 77,430.84-116,118.38-26,816.16

Finding the Fourth Proportional to 77,430.84, 116,118.38 and 26,816.16

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Solution

The fourth proportional to 77,430.84, 116,118.38 and 26,816.16 is: 40,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,430.84 : 116,118.38 = 26,816.16 : x
  2. Step 2: Convert to fraction form
    77,430.84/116,118.38 = 26,816.16/x
  3. Step 3: Cross multiply
    77,430.84x = 116,118.38 × 26,816.16
  4. Step 4: Simplify right side
    77,430.84x = 3,113,849,057.02
  5. Step 5: Solve for x
    x = 3,113,849,057.02/77,430.84
  6. Step 6: Final answer
    x = 40,214.58

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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.