Home / 86,628.12-119,547.69-50,818.74

Finding the Fourth Proportional to 86,628.12, 119,547.69 and 50,818.74

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Solution

The fourth proportional to 86,628.12, 119,547.69 and 50,818.74 is: 70,130.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,628.12 : 119,547.69 = 50,818.74 : x
  2. Step 2: Convert to fraction form
    86,628.12/119,547.69 = 50,818.74/x
  3. Step 3: Cross multiply
    86,628.12x = 119,547.69 × 50,818.74
  4. Step 4: Simplify right side
    86,628.12x = 6,075,262,975.71
  5. Step 5: Solve for x
    x = 6,075,262,975.71/86,628.12
  6. Step 6: Final answer
    x = 70,130.38

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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.