Home / 93,923.68-129,618-51,482.20

Finding the Fourth Proportional to 93,923.68, 129,618 and 51,482.20

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Solution

The fourth proportional to 93,923.68, 129,618 and 51,482.20 is: 71,047.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,923.68 : 129,618 = 51,482.20 : x
  2. Step 2: Convert to fraction form
    93,923.68/129,618 = 51,482.20/x
  3. Step 3: Cross multiply
    93,923.68x = 129,618 × 51,482.20
  4. Step 4: Simplify right side
    93,923.68x = 6,673,019,799.60
  5. Step 5: Solve for x
    x = 6,673,019,799.60/93,923.68
  6. Step 6: Final answer
    x = 71,047.26

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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.