Home / 70,263.74-105,348.79-38,688.67

Finding the Fourth Proportional to 70,263.74, 105,348.79 and 38,688.67

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Solution

The fourth proportional to 70,263.74, 105,348.79 and 38,688.67 is: 58,007.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,263.74 : 105,348.79 = 38,688.67 : x
  2. Step 2: Convert to fraction form
    70,263.74/105,348.79 = 38,688.67/x
  3. Step 3: Cross multiply
    70,263.74x = 105,348.79 × 38,688.67
  4. Step 4: Simplify right side
    70,263.74x = 4,075,804,794.31
  5. Step 5: Solve for x
    x = 4,075,804,794.31/70,263.74
  6. Step 6: Final answer
    x = 58,007.23

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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.